#!/usr/bin/python2
# -*- coding: utf-8 -*-
#
# Copyright (C) 2011 CourseRoster contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


__author__ = "antiAgainst@gmail.com"


import hashlib

def insert_byte_x00(bytes):
    return "\x00".join(list(bytes)) + "\x00"

def calcMD5(bytes, bpc):
    if bpc == 8:
        return hashlib.md5(bytes).hexdigest().upper()
    if bpc == 16:
        return hashlib.md5(insert_byte_x00(bytes)).hexdigest().upper()


__all__ = ["insert_byte_x00", "calcMD5"]
